/* ==========================================================================
   智根网络 · 站点样式
   白底 + 墨绿字 + 荧光青柠点缀 · 直角 4px · 等宽数字 · 终端细线
   ========================================================================== */

@font-face {
  font-family: 'NSC';
  src: url('../fonts/nsc-400.woff2') format('woff2');
  font-weight: 400; font-display: swap;
}
@font-face {
  font-family: 'NSC';
  src: url('../fonts/nsc-500.woff2') format('woff2');
  font-weight: 500; font-display: swap;
}
@font-face {
  font-family: 'NSC';
  src: url('../fonts/nsc-700.woff2') format('woff2');
  font-weight: 700; font-display: swap;
}
@font-face {
  font-family: 'NSC';
  src: url('../fonts/nsc-900.woff2') format('woff2');
  font-weight: 900; font-display: swap;
}

/* 拉丁字符走独立子集（中文子集不含拉丁字形，否则英文会掉到衬线兜底） */
@font-face {
  font-family: 'NSC';
  src: url('../fonts/nsc-latin-400.woff2') format('woff2');
  font-weight: 400; font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+2000-206F, U+20AC, U+2122, U+2190-2193, U+2212, U+2215;
}
@font-face {
  font-family: 'NSC';
  src: url('../fonts/nsc-latin-500.woff2') format('woff2');
  font-weight: 500; font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+2000-206F, U+20AC, U+2122, U+2190-2193, U+2212, U+2215;
}
@font-face {
  font-family: 'NSC';
  src: url('../fonts/nsc-latin-700.woff2') format('woff2');
  font-weight: 700; font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+2000-206F, U+20AC, U+2122, U+2190-2193, U+2212, U+2215;
}
@font-face {
  font-family: 'NSC';
  src: url('../fonts/nsc-latin-900.woff2') format('woff2');
  font-weight: 900; font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+2000-206F, U+20AC, U+2122, U+2190-2193, U+2212, U+2215;
}

:root {
  color-scheme: light;
  /* 表面 */
  --ink: #FFFFFF;
  --ink-2: #F7F8F3;
  --panel: #FFFFFF;
  --panel-2: #F1F4EA;
  /* 描线 */
  --line: #E2E7DB;
  --line-soft: #EDF0E7;
  --line-strong: #CFD7C4;
  /* 品牌 · 科技蓝 */
  --accent: #2563EB;
  --accent-dim: #3B82F6;
  --accent-deep: #1D4ED8;
  --accent-soft: #EAF1FE;
  /* 文字 */
  --text: #0F1A15;
  --text-2: #3E4A43;
  --paper: #F7F8F3;
  --paper-2: #EFF2E8;
  --muted: #5F6D65;
  --muted-2: #5F6D65;
  --muted-l: #5F6D65;
  --dark: #0E1A15;
  --shadow: 0 1px 2px rgba(16, 26, 21, .05), 0 14px 34px -18px rgba(16, 26, 21, .22);
  --radius: 4px;
  --mono: ui-monospace, 'SFMono-Regular', 'JetBrains Mono', Consolas, 'Liberation Mono', monospace;
  --max: 1200px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--ink);
  color: var(--text);
  font-family: 'NSC', -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
p { margin: 0 0 1em; }
h1, h2, h3, h4 { margin: 0; font-weight: 900; line-height: 1.22; letter-spacing: -.02em; }
ul, ol { margin: 0 0 1em; padding-left: 1.25em; }
li { margin-bottom: .45em; }

::selection { background: var(--accent); color: #fff; }

.container { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 24px; }
.mono { font-family: var(--mono); font-size: 12px; letter-spacing: .12em; text-transform: uppercase; }
.kicker {
  font-family: var(--mono); font-size: 12px; letter-spacing: .18em;
  text-transform: uppercase; color: var(--accent-deep); margin: 0 0 14px;
}
.accent { color: var(--accent-deep); }
.muted { color: var(--muted); }

/* ---------------- 按钮 ---------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 48px; padding: 0 26px; border: 1px solid transparent; border-radius: var(--radius);
  font-size: 15px; font-weight: 700; letter-spacing: .01em;
  transition: background .22s, color .22s, border-color .22s, transform .22s;
  white-space: nowrap;
}
.btn-sm { height: 40px; padding: 0 18px; font-size: 14px; }
.btn-block { display: flex; width: 100%; }
.btn-accent { background: var(--accent); color: #fff; }
.btn-accent:hover { background: var(--accent-deep); transform: translateY(-1px); }
.btn-ghost { border-color: var(--line-strong); color: var(--text); background: rgba(255, 255, 255, .6); }
.btn-ghost:hover { border-color: var(--accent-dim); color: var(--accent-deep); background: #fff; }
.btn-dark { background: var(--dark); color: #fff; }
.btn-dark:hover { background: #1B2A23; transform: translateY(-1px); }
.btn-light { background: #fff; color: var(--accent-deep); border-color: #fff; }
.btn-light:hover { background: #EEF4FF; transform: translateY(-1px); }
.btn-line { border-color: var(--line); color: var(--text); }
.btn-line:hover { border-color: var(--accent-dim); color: var(--accent-deep); }
.btn svg { width: 18px; height: 18px; }

/* ---------------- 页头 ---------------- */
.site-header {
  position: sticky; top: 0; z-index: 900;
  background: rgba(255, 255, 255, .9);
  backdrop-filter: blur(12px) saturate(1.4);
  border-bottom: 1px solid var(--line);
}
.nav-wrap { display: flex; align-items: center; gap: 28px; height: 76px; }
.logo { display: flex; align-items: center; gap: 10px; flex: none; }
.logo-mark { width: 38px; height: 38px; flex: none; }
.logo-text { display: flex; flex-direction: column; gap: 4px; line-height: 1; min-width: 0; }
.logo-text b { font-weight: 900; color: var(--text); white-space: nowrap; }
.logo-text .logo-l1 { font-size: 15px; line-height: 1.04; letter-spacing: -.01em; }
.logo-text .logo-l2 { font-size: 11px; font-weight: 500; line-height: 1.04; letter-spacing: .14em; color: #7C8A82; white-space: nowrap; }

.main-nav { display: flex; align-items: center; gap: 4px; margin-left: auto; }
.main-nav > a, .main-nav .nav-drop > a {
  position: relative; display: inline-flex; align-items: center; gap: 4px;
  padding: 10px 12px; font-size: 15px; font-weight: 500; color: var(--text-2);
  border-radius: var(--radius); transition: color .2s;
}
.main-nav > a:hover, .main-nav .nav-drop > a:hover { color: var(--text); }
.main-nav .active { color: var(--accent-deep); font-weight: 700; }
.main-nav .active::after {
  content: ''; position: absolute; left: 12px; right: 12px; bottom: 2px; height: 2px; background: var(--accent);
}
.main-nav .chev { width: 14px; height: 14px; transition: transform .2s; }
.nav-drop { position: relative; }
.nav-drop:hover .chev { transform: rotate(180deg); }
.nav-drop-menu {
  position: absolute; top: calc(100% + 6px); left: 0; min-width: 236px;
  background: #FFFFFF; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 8px; opacity: 0; visibility: hidden; transform: translateY(8px);
  transition: all .2s; box-shadow: 0 18px 44px -14px rgba(16, 26, 21, .25);
}
.nav-drop:hover .nav-drop-menu, .nav-drop:focus-within .nav-drop-menu {
  opacity: 1; visibility: visible; transform: none;
}
.nav-drop-menu a {
  display: flex; align-items: center; gap: 10px; padding: 10px 12px;
  font-size: 14px; color: var(--text-2); border-radius: var(--radius);
}
.nav-drop-menu a:hover { background: var(--accent-soft); color: var(--accent-deep); }
.nav-drop-menu svg { width: 16px; height: 16px; color: var(--accent-deep); flex: none; }

.nav-right { display: flex; align-items: center; gap: 14px; flex: none; }
.nav-phone { display: inline-flex; align-items: center; gap: 7px; font-family: var(--mono); font-size: 13px; color: var(--text-2); }
.nav-phone svg { width: 16px; height: 16px; color: var(--accent-deep); }
.nav-phone:hover { color: var(--accent-deep); }
.nav-toggle { display: none; background: none; border: 0; color: var(--text); padding: 8px; }
.nav-toggle svg { width: 26px; height: 26px; }

/* 移动端抽屉 */
.nav-scrim {
  position: fixed; inset: 0; z-index: 999; display: none;
  background: rgba(15, 26, 21, .38);
  backdrop-filter: blur(2px);
}
body.drawer-open .nav-scrim { display: block; }
.nav-drawer {
  position: fixed; inset: 0 0 0 auto; width: min(88vw, 360px); z-index: 1000;
  background: #FFFFFF; border-left: 1px solid var(--line);
  box-shadow: -24px 0 60px -30px rgba(16, 26, 21, .35);
  padding: 20px; display: none; flex-direction: column;
  overflow-y: auto;
}
.nav-drawer.open { display: flex; animation: drawerIn .3s cubic-bezier(.2, .7, .2, 1); }
@keyframes drawerIn { from { transform: translateX(100%); } to { transform: none; } }
.nav-drawer-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 18px; color: var(--accent-deep); }
.nav-close { background: none; border: 0; color: var(--text); padding: 6px; }
.nav-close svg { width: 22px; height: 22px; }
.nav-drawer nav { display: flex; flex-direction: column; }
.nav-drawer nav > a {
  padding: 13px 4px; font-size: 17px; font-weight: 700; border-bottom: 1px solid var(--line); color: var(--text);
}
.nav-drawer nav > a.sub {
  font-size: 14px; font-weight: 400; color: var(--muted); padding: 10px 4px 10px 18px;
  border-bottom: 1px solid var(--line-soft);
}
.nav-drawer nav > a.active { color: var(--accent-deep); }
.nav-drawer-foot { margin-top: auto; padding-top: 24px; }
.nav-drawer-foot p { margin: 12px 0 0; color: var(--muted); }
body.drawer-open { overflow: hidden; }
/* 抽屉打开时收起悬浮客服，避免压住菜单 */
body.drawer-open #fs-root { display: none !important; }

/* ---------------- Hero ---------------- */
.hero { position: relative; height: min(86vh, 720px); min-height: 560px; background: #FBFCF7; }
.hero-swiper, .hero-swiper .swiper-wrapper, .hero-swiper .swiper-slide { height: 100%; }
.hero-slide { position: relative; background-size: cover; background-position: center right; }
.hero-slide::before {
  content: ''; position: absolute; inset: 0;
  /* 只保留文字这一侧的白色过渡，约 60% 起完全透明：
     原来的写法一路铺到 rgba(255,255,255,.10)（70%）才收，整张首图被洗成灰白，
     图片几乎看不出内容。这里把落点收到 60%，右半屏恢复原图。
     不能直接删掉这层——首图是暗色办公场景，深色标题直接压上去基本看不清。 */
  background: linear-gradient(92deg, rgba(255, 255, 255, .94) 0%, rgba(255, 255, 255, .90) 28%,
    rgba(255, 255, 255, .62) 42%, rgba(255, 255, 255, .18) 52%, rgba(255, 255, 255, 0) 60%);
}
.hero-slide::after {
  content: ''; position: absolute; inset: 0; pointer-events: none;
  background-image: linear-gradient(rgba(37, 99, 235, .07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(37, 99, 235, .07) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(90deg, #000 0%, transparent 62%);
  -webkit-mask-image: linear-gradient(90deg, #000 0%, transparent 62%);
}
.hero-copy {
  position: relative; z-index: 2; height: 100%;
  display: flex; flex-direction: column; justify-content: center;
  max-width: 700px; padding: 0 24px;
  margin-left: max(0px, calc((100vw - var(--max)) / 2));
}
.hero-copy > * { opacity: 0; transform: translateY(26px); transition: all .8s cubic-bezier(.2, .7, .2, 1); }
.swiper-slide-active .hero-copy > * { opacity: 1; transform: none; }
.swiper-slide-active .hero-copy > :nth-child(2) { transition-delay: .1s; }
.swiper-slide-active .hero-copy > :nth-child(3) { transition-delay: .2s; }
.swiper-slide-active .hero-copy > :nth-child(4) { transition-delay: .3s; }
.swiper-slide-active .hero-copy > :nth-child(5) { transition-delay: .4s; }
.hero h1, .hero h2 {
  font-size: clamp(34px, 4.5vw, 58px); line-height: 1.1; color: var(--text); margin: 0 0 20px;
  letter-spacing: -.03em;
}
.hero h1 .ln { display: block; }
.hero h1 em, .hero h2 em {
  font-style: normal; color: var(--accent-deep);
  background: linear-gradient(180deg, transparent 56%, rgba(37, 99, 235, .2) 56%, rgba(37, 99, 235, .2) 94%, transparent 94%);
  -webkit-box-decoration-break: clone; box-decoration-break: clone;
  padding: 0 .05em;
}
.hero-sub { font-size: 17px; color: var(--text-2); max-width: 520px; margin: 0 0 30px; }
.hero-acts { display: flex; gap: 12px; flex-wrap: wrap; }
.hero-tags { display: flex; gap: 18px; flex-wrap: wrap; margin-top: 34px; padding-top: 22px; border-top: 1px solid var(--line-strong); }
.hero-tags span { font-family: var(--mono); font-size: 12px; letter-spacing: .06em; color: var(--muted); display: flex; align-items: center; gap: 7px; }
.hero-tags svg { width: 14px; height: 14px; color: var(--accent-deep); }
.hero .swiper-pagination { bottom: 26px !important; text-align: left; padding-left: max(24px, calc((100vw - var(--max)) / 2 + 24px)); }
.hero .swiper-pagination-bullet { width: 26px; height: 2px; border-radius: 0; background: var(--line-strong); opacity: 1; }
.hero .swiper-pagination-bullet-active { background: var(--dark); }

/* ---------------- 数据条 ---------------- */
.stats { background: var(--ink-2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.stats-in { display: grid; grid-template-columns: repeat(4, 1fr); }
.stat { padding: 34px 28px; border-left: 1px solid var(--line); }
.stat:first-child { border-left: 0; padding-left: 0; }
.stat b { display: flex; align-items: baseline; gap: 4px; font-size: 44px; font-weight: 900; color: var(--accent-deep); line-height: 1; font-family: var(--mono); letter-spacing: -.03em; }
.stat b i { font-style: normal; font-size: 20px; }
.stat p { margin: 10px 0 0; font-size: 14px; color: var(--text); font-weight: 700; }
.stat small { display: block; font-size: 12px; color: var(--muted); margin-top: 4px; line-height: 1.5; }

/* ---------------- 区块 ---------------- */
.sec { padding: 104px 0; position: relative; background: var(--ink); }
.sec--light { background: var(--paper); color: var(--text); }
.sec--light .kicker { color: var(--accent-deep); }
.sec--light .muted { color: var(--muted-l); }
.sec--panel { background: var(--ink-2); }
.sec--tight { padding: 72px 0; }

.sec-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 32px; margin-bottom: 52px; }
.sec-head h2 { font-size: clamp(28px, 3.2vw, 42px); }
.sec-head p { margin: 14px 0 0; max-width: 560px; color: var(--muted); font-size: 15px; }
.sec--light .sec-head p { color: var(--muted-l); }
.sec-head-row { display: flex; align-items: center; justify-content: space-between; gap: 24px; margin-bottom: 52px; }
.sec-head-row .sec-head { margin-bottom: 0; }

/* ---------------- 服务矩阵 ---------------- */
.svc-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.svc {
  background: var(--ink); padding: 34px 30px 30px; position: relative;
  display: flex; flex-direction: column; transition: background .25s;
}
.svc:hover { background: var(--accent-soft); }
.svc { grid-column: span 2; }
.svc-no { font-family: var(--mono); font-size: 12px; color: var(--accent-deep); letter-spacing: .14em; }
.svc-ico { width: 44px; height: 44px; margin: 20px 0 18px; display: flex; align-items: center; justify-content: center; border: 1px solid var(--line); border-radius: var(--radius); }
.svc-ico svg { width: 22px; height: 22px; color: var(--accent-deep); }
.svc h3 { font-size: 21px; margin-bottom: 10px; color: var(--text); }
.svc p { font-size: 14px; color: var(--muted); margin: 0 0 20px; line-height: 1.7; }
.svc-meta { display: flex; gap: 16px; flex-wrap: wrap; margin-top: auto; padding-top: 16px; border-top: 1px solid var(--line-soft); }
.svc-meta span { font-size: 12px; color: var(--muted); font-family: var(--mono); letter-spacing: .04em; }
.svc-meta b { color: var(--text); font-weight: 700; }
.svc-link { margin-top: 16px; display: inline-flex; align-items: center; gap: 6px; font-size: 14px; font-weight: 700; color: var(--accent-deep); }
.svc-link svg { width: 16px; height: 16px; transition: transform .2s; }
.svc:hover .svc-link svg { transform: translateX(4px); }

/* ---------------- 对比表 ---------------- */
.cmp-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
table.cmp { width: 100%; border-collapse: collapse; min-width: 720px; font-size: 14px; }
table.cmp th, table.cmp td { padding: 16px 18px; text-align: left; border-bottom: 1px solid var(--line); vertical-align: top; }
table.cmp thead th { background: var(--panel-2); color: var(--text); font-size: 14px; font-weight: 700; letter-spacing: .02em; }
table.cmp thead th:nth-child(2) { color: var(--accent-deep); }
table.cmp tbody tr:last-child td { border-bottom: 0; }
table.cmp td:first-child { color: var(--muted); font-family: var(--mono); font-size: 12px; letter-spacing: .04em; }
table.cmp td:nth-child(2) { color: var(--text); font-weight: 700; background: rgba(37, 99, 235, .08); }
table.cmp td { color: var(--text-2); }

/* ---------------- 横滑 ---------------- */
.hscroll-wrap { position: relative; }
.hscroll { display: flex; gap: 20px; overflow-x: auto; scroll-snap-type: x mandatory; padding-bottom: 8px; scrollbar-width: none; }
.hscroll::-webkit-scrollbar { display: none; }
.hscroll > * { scroll-snap-align: start; flex: 0 0 380px; }
.hs-nav { display: flex; gap: 8px; }
.hs-btn {
  width: 44px; height: 44px; border: 1px solid var(--line-strong); background: #fff; color: var(--text);
  border-radius: var(--radius); display: flex; align-items: center; justify-content: center;
  transition: all .2s;
}
.hs-btn:hover:not(:disabled) { border-color: var(--accent-dim); color: var(--accent-deep); background: var(--accent-soft); }
.hs-btn:disabled { opacity: .3; cursor: not-allowed; }
.hs-btn svg { width: 18px; height: 18px; }

.case-card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; display: flex; flex-direction: column; box-shadow: var(--shadow); transition: border-color .25s, transform .25s; }
.case-card:hover { border-color: var(--line-strong); transform: translateY(-3px); }
.case-thumb { position: relative; aspect-ratio: 16 / 10; overflow: hidden; background: var(--panel-2); }
.case-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.case-card:hover .case-thumb img { transform: scale(1.04); }
.case-cat { position: absolute; left: 12px; top: 12px; background: rgba(255, 255, 255, .94); border: 1px solid rgba(37, 99, 235, .3); color: var(--accent-deep); font-size: 11px; font-family: var(--mono); letter-spacing: .1em; padding: 3px 8px; border-radius: 2px; backdrop-filter: blur(4px); }
.case-body { padding: 22px 24px 24px; display: flex; flex-direction: column; flex: 1; }
.case-body h3 { font-size: 18px; color: var(--text); margin-bottom: 8px; }
.case-body p { font-size: 13px; color: var(--muted); margin: 0 0 16px; line-height: 1.65; }
.case-metrics { display: flex; gap: 18px; flex-wrap: wrap; margin-top: auto; padding-top: 14px; border-top: 1px solid var(--line-soft); }
.case-metrics div { font-size: 11px; color: var(--muted); font-family: var(--mono); }
.case-metrics b { display: block; font-size: 15px; color: var(--accent-deep); font-weight: 700; margin-top: 2px; letter-spacing: 0; }

/* ---------------- 流程 ---------------- */
.flow { display: grid; grid-template-columns: repeat(5, 1fr); gap: 0; border-top: 1px solid var(--line); }
.flow-step { padding: 32px 26px 0 0; position: relative; }
.flow-step::before { content: ''; position: absolute; left: 0; top: -5px; width: 9px; height: 9px; background: var(--accent); }
.flow-no { font-family: var(--mono); font-size: 12px; color: var(--accent-deep); letter-spacing: .14em; }
.flow-step h3 { font-size: 18px; margin: 12px 0 10px; color: var(--text); }
.flow-step p { font-size: 13px; color: var(--muted); line-height: 1.7; margin: 0; }
.flow-step small { display: block; margin-top: 12px; font-family: var(--mono); font-size: 11px; color: var(--muted); }

/* ---------------- 能力 / 技术栈 ---------------- */
.caps { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.cap { background: var(--ink); padding: 32px; display: flex; gap: 18px; }
.cap-ico { flex: none; width: 40px; height: 40px; border: 1px solid var(--line); display: flex; align-items: center; justify-content: center; }
.cap-ico svg { width: 20px; height: 20px; color: var(--accent-deep); }
.cap h3 { font-size: 17px; color: var(--text); margin-bottom: 8px; font-family: var(--mono); letter-spacing: 0; }
.cap p { font-size: 14px; color: var(--muted); margin: 0; line-height: 1.7; }

/* ---------------- 长文 ---------------- */
.longform { max-width: 780px; }
.longform h2 { font-size: 26px; margin: 40px 0 16px; }
.longform h2:first-child { margin-top: 0; }
.longform p { font-size: 16px; color: var(--text-2); line-height: 1.9; }
.sec--light .longform p { color: var(--text-2); }

/* ---------------- 价格 ---------------- */
.price-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; align-items: stretch; }
.price-group { margin-bottom: 48px; }
.price-group:last-of-type { margin-bottom: 0; }
.price-group-head { display: flex; align-items: baseline; gap: 14px; flex-wrap: wrap; margin-bottom: 24px; padding-bottom: 14px; border-bottom: 1px solid var(--line); }
.price-group-head h3 { font-size: 19px; color: var(--text); margin: 0; }
.price-group-head span { font-size: 13px; color: var(--muted); }
.price-card { background: var(--ink); border: 1px solid var(--line); border-radius: var(--radius); padding: 34px 30px; display: flex; flex-direction: column; position: relative; box-shadow: var(--shadow); }
.price-card.hot { border-color: var(--accent-dim); background: #F7FAFF; }
.price-tag { position: absolute; top: -12px; left: 30px; background: var(--accent); color: #fff; font-size: 11px; font-weight: 700; font-family: var(--mono); letter-spacing: .08em; padding: 4px 10px; border-radius: 2px; }
.price-card h3 { font-size: 20px; color: var(--text); margin-bottom: 6px; }
.price-for { font-size: 13px; color: var(--muted); margin: 0 0 22px; min-height: 40px; }
.price-num { font-family: var(--mono); font-size: 34px; font-weight: 700; color: var(--accent-deep); letter-spacing: -.02em; line-height: 1; }
.price-unit { font-size: 12px; color: var(--muted); margin: 8px 0 24px; font-family: var(--mono); }
.price-list { list-style: none; padding: 0; margin: 0 0 24px; border-top: 1px solid var(--line-soft); padding-top: 20px; }
.price-list li { display: flex; gap: 10px; font-size: 14px; color: var(--text-2); margin-bottom: 10px; }
.price-list svg { width: 16px; height: 16px; color: var(--accent-deep); flex: none; margin-top: 4px; }
.price-list li.no { color: #66736C; }
.price-list li.no svg { color: #9AA69F; }
.price-foot { margin-top: auto; }
.price-foot p { font-family: var(--mono); font-size: 12px; color: var(--muted); margin: 0 0 14px; }
.addons { margin-top: 40px; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: #fff; }
.addon-row { display: grid; grid-template-columns: 1fr 200px 1.4fr; gap: 20px; padding: 16px 22px; border-bottom: 1px solid var(--line); font-size: 14px; }
.addon-row:last-child { border-bottom: 0; }
.addon-row b { color: var(--text); font-weight: 700; }
.addon-row span { color: var(--accent-deep); font-family: var(--mono); font-size: 13px; }
.addon-row em { font-style: normal; color: var(--muted); font-size: 13px; }

/* ---------------- 评价 ---------------- */
.quotes { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.quote { border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; background: var(--ink); box-shadow: var(--shadow); }
.quote-mark { color: var(--accent-deep); font-family: var(--mono); font-size: 28px; line-height: 1; margin-bottom: 12px; }
.quote p { font-size: 15px; color: var(--text-2); line-height: 1.8; margin: 0 0 22px; }
.quote-by { display: flex; align-items: center; gap: 12px; }
.avatar { width: 38px; height: 38px; border-radius: 50%; background: var(--accent-soft); border: 1px solid var(--line); display: flex; align-items: center; justify-content: center; font-family: var(--mono); font-size: 13px; color: var(--accent-deep); }
.quote-by b { display: block; font-size: 14px; color: var(--text); }
.quote-by span { font-size: 12px; color: var(--muted); }

/* ---------------- 新闻卡 ---------------- */
.post-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.post-card { border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: var(--panel); display: flex; flex-direction: column; box-shadow: var(--shadow); transition: border-color .25s, transform .25s; }
.post-card:hover { border-color: var(--accent-dim); transform: translateY(-3px); }
.post-thumb { aspect-ratio: 16 / 9; overflow: hidden; background: var(--panel-2); }
.post-thumb img { width: 100%; height: 100%; object-fit: cover; }
.post-body { padding: 22px 24px 24px; display: flex; flex-direction: column; flex: 1; }
.post-meta { display: flex; gap: 12px; align-items: center; font-family: var(--mono); font-size: 11px; color: var(--muted); letter-spacing: .06em; margin-bottom: 12px; }
.post-meta em { font-style: normal; color: var(--accent-deep); }
.post-body h3 { font-size: 17px; color: var(--text); margin-bottom: 10px; line-height: 1.5; }
.post-body p { font-size: 13px; color: var(--muted); margin: 0; line-height: 1.7; }

/* ---------------- FAQ ---------------- */
.faq { max-width: 860px; margin: 0 auto; border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary {
  list-style: none; cursor: pointer; padding: 22px 44px 22px 0; position: relative;
  font-size: 16px; font-weight: 700; color: var(--text); line-height: 1.6;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: '+'; position: absolute; right: 4px; top: 20px; font-family: var(--mono);
  font-size: 22px; color: var(--accent-deep); transition: transform .2s;
}
.faq details[open] summary::after { content: '−'; }
.faq details p { padding: 0 44px 22px 0; margin: 0; color: var(--muted); font-size: 14px; line-height: 1.85; }
.sec--light .faq { border-color: var(--line-strong); }
.sec--light .faq details { border-color: var(--line-strong); }
.sec--light .faq summary { color: var(--text); }
.sec--light .faq details p { color: var(--text-2); }

/* ---------------- CTA ---------------- */
.cta-band { background: var(--accent-deep); color: #fff; padding: 72px 0; }
.cta-in { display: flex; align-items: center; justify-content: space-between; gap: 40px; }
.cta-band .kicker { color: #BFDBFE; }
.cta-band h2 { font-size: clamp(26px, 3.2vw, 40px); color: #fff; }
.cta-sub { margin: 16px 0 0; font-size: 15px; color: #DCE9FF; max-width: 520px; }
.cta-act { display: flex; flex-direction: column; gap: 14px; align-items: flex-start; flex: none; }
.cta-tel { display: inline-flex; align-items: center; gap: 8px; font-family: var(--mono); font-size: 15px; font-weight: 700; color: #fff; }
.cta-tel svg { width: 18px; height: 18px; }

/* ---------------- 页脚 ---------------- */
.site-footer { background: #F4F6EF; border-top: 1px solid var(--line); padding-top: 72px; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.4fr; gap: 48px; padding-bottom: 56px; }
.f-col h4 { font-size: 14px; color: var(--text); margin-bottom: 18px; font-family: var(--mono); letter-spacing: .1em; text-transform: uppercase; }
.f-col a { display: block; font-size: 14px; color: var(--muted); margin-bottom: 10px; }
.f-col a:hover { color: var(--accent-deep); }
.f-about p { font-size: 13px; color: var(--muted); line-height: 1.8; margin: 18px 0; max-width: 300px; }
.f-col a.logo-f { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.logo-f { margin-bottom: 4px; }
.f-social { display: flex; gap: 10px; }
.f-social .soc {
  width: 38px; height: 38px; border: 1px solid var(--line-strong); border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center; margin: 0; color: var(--muted); background: #fff;
}
.f-social .soc:hover { border-color: var(--accent-dim); color: var(--accent-deep); background: var(--accent-soft); }
.f-social svg { width: 19px; height: 19px; }
.f-contact p { display: flex; gap: 9px; font-size: 13px; color: var(--muted); margin: 0 0 12px; line-height: 1.7; }
.f-contact p svg { width: 15px; height: 15px; color: var(--accent-deep); flex: none; margin-top: 5px; }
.f-contact a { display: inline; margin: 0; }
.f-tel a { font-family: var(--mono); font-size: 15px; color: var(--text); font-weight: 700; }
.f-subscribe { display: flex; gap: 8px; margin: 18px 0 10px; }
.f-subscribe input {
  flex: 1; min-width: 0; height: 40px; padding: 0 12px; background: #fff;
  border: 1px solid var(--line-strong); border-radius: var(--radius); color: var(--text); font-size: 13px; font-family: inherit;
}
.f-subscribe input::placeholder { color: #8C9991; }
.f-subscribe input:focus { outline: none; border-color: var(--accent-dim); }
.f-sub-note { font-size: 11px; color: var(--muted); margin: 0; line-height: 1.6; }
.footer-bar { border-top: 1px solid var(--line-strong); padding: 20px 0; }
.footer-bar-in { display: flex; gap: 24px; flex-wrap: wrap; justify-content: space-between; font-size: 12px; color: var(--muted); }
.footer-bar-in p { margin: 0; }

/* ---------------- 内页页头 ---------------- */
.page-head { padding: 96px 0 64px; background-size: cover; background-position: center right; border-bottom: 1px solid var(--line); position: relative; }
.page-head > .container { position: relative; z-index: 1; }
/* 窄屏时文案会横跨整幅图，补一层白纱保证文字对比度 */
.page-head::before { content: ''; position: absolute; inset: 0; pointer-events: none; background: rgba(255, 255, 255, 0); }
.breadcrumb { font-size: 12px; font-family: var(--mono); letter-spacing: .06em; color: var(--muted); margin-bottom: 22px; }
.breadcrumb a { color: var(--muted); }
.breadcrumb a:hover { color: var(--accent-deep); }
.breadcrumb span { color: var(--text-2); }
.page-head h1 { font-size: clamp(30px, 4vw, 50px); color: var(--text); }
.page-head-sub { margin: 18px 0 0; max-width: 620px; font-size: 15px; color: var(--text-2); }
.page-head--slim { padding: 34px 0 30px; }
.aside-box li a.cur { color: var(--accent-deep); }
.aside-box li a.cur::before { content: '▸ '; }

/* ---------------- 列表页 ---------------- */
.filter-tabs { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 36px; }
.filter-tabs button {
  height: 38px; padding: 0 18px; border-radius: var(--radius); border: 1px solid var(--line-strong);
  background: #fff; color: var(--text-2); font-size: 14px; font-weight: 500; transition: all .2s;
}
.filter-tabs button:hover { border-color: var(--accent-dim); color: var(--accent-deep); background: var(--accent-soft); }
.filter-tabs button.bg-accent { background: var(--accent) !important; color: #fff !important; border-color: var(--accent) !important; }
.filter-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.filter-grid .case-card, .filter-grid .post-card { height: 100%; }

/* 服务列表 */
.svc-list { display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); }
.svc-row { background: var(--ink); display: grid; grid-template-columns: 300px 1fr 240px; gap: 36px; padding: 0; align-items: stretch; }
.svc-row-img { position: relative; background: var(--panel-2); min-height: 220px; }
.svc-row-img img { width: 100%; height: 100%; object-fit: cover; position: absolute; inset: 0; }
.svc-row-body { padding: 34px 0; }
.svc-row-body h3 { font-size: 24px; color: var(--text); margin-bottom: 12px; }
.svc-row-body p { font-size: 14px; color: var(--muted); max-width: 560px; margin: 0 0 18px; }
.svc-row-tags { display: flex; gap: 8px; flex-wrap: wrap; }
.svc-row-tags span { font-size: 12px; color: var(--text-2); border: 1px solid var(--line); padding: 4px 10px; border-radius: 2px; background: #fff; }
.svc-row-side { padding: 34px 30px 34px 0; display: flex; flex-direction: column; justify-content: center; gap: 6px; border-left: 1px solid var(--line-soft); padding-left: 30px; }
.svc-row-side b { font-family: var(--mono); font-size: 24px; color: var(--accent-deep); }
.svc-row-side span { font-size: 12px; color: var(--muted); font-family: var(--mono); }
.svc-row-side .btn { margin-top: 16px; }

/* ---------------- 详情页 ---------------- */
/* 注意：这个类与 .container 同时挂在一个元素上，只能用 padding-top/bottom，
   写成 padding 简写会把 .container 的左右内边距清成 0，移动端正文直接顶到屏幕边缘 */
.detail-layout { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 56px; padding-top: 64px; padding-bottom: 96px; }
.detail-main h1 { font-size: clamp(26px, 3.2vw, 40px); color: var(--text); margin-bottom: 16px; }
.detail-meta { display: flex; gap: 16px; flex-wrap: wrap; font-family: var(--mono); font-size: 12px; color: var(--muted); letter-spacing: .04em; margin-bottom: 26px; }
.detail-meta em { font-style: normal; color: var(--accent-deep); }
.detail-hero { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; border: 1px solid var(--line); border-radius: var(--radius); margin-bottom: 34px; }
.detail-body { font-size: 16px; color: var(--text-2); line-height: 1.95; }
.detail-body h2 { font-size: 24px; color: var(--text); margin: 44px 0 16px; }
.detail-body h3 { font-size: 19px; color: var(--text); margin: 30px 0 12px; }
.detail-body p { margin: 0 0 1.1em; }
.detail-body ul, .detail-body ol { margin: 0 0 1.2em; padding-left: 1.3em; }
.detail-body li { margin-bottom: .5em; }
.detail-body strong { color: var(--text); }
.detail-body code { font-family: var(--mono); font-size: .9em; background: var(--accent-soft); border: 1px solid var(--line); padding: 1px 6px; border-radius: 2px; color: var(--accent-deep); }
.detail-body img { margin: 24px 0; border-radius: var(--radius); }
.detail-body table { width: 100%; border-collapse: collapse; margin: 24px 0; font-size: 14px; }
.detail-body th, .detail-body td { border: 1px solid var(--line); padding: 11px 14px; text-align: left; vertical-align: top; }
.detail-body th { background: var(--panel-2); color: var(--text); font-weight: 700; }
.detail-body td { color: var(--text-2); }
.detail-pager { display: flex; justify-content: space-between; gap: 20px; margin-top: 56px; padding-top: 26px; border-top: 1px solid var(--line); }
.detail-pager a { font-size: 14px; color: var(--muted); max-width: 48%; }
.detail-pager a:hover { color: var(--accent-deep); }
.detail-pager span { font-family: var(--mono); font-size: 11px; display: block; color: var(--muted); margin-bottom: 4px; }

.detail-aside { position: relative; }
.aside-box { border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; margin-bottom: 20px; background: var(--panel); box-shadow: var(--shadow); }
.aside-box h4 { font-size: 13px; font-family: var(--mono); letter-spacing: .1em; color: var(--accent-deep); margin-bottom: 16px; text-transform: uppercase; }
.aside-box ul { list-style: none; padding: 0; margin: 0; }
.aside-box li { margin-bottom: 14px; }
.aside-box li:last-child { margin-bottom: 0; }
.aside-box li a { font-size: 14px; color: var(--text-2); display: block; line-height: 1.5; }
.aside-box li a:hover { color: var(--accent-deep); }
.aside-box li small { font-family: var(--mono); font-size: 11px; color: var(--muted); }
.aside-cta { background: #F7FAFF; border-color: var(--accent-dim); }
.aside-cta p { font-size: 13px; color: var(--muted); margin: 0 0 16px; }
.param-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.param-tags span { font-size: 12px; color: var(--text-2); border: 1px solid var(--line); padding: 5px 10px; border-radius: 2px; background: #fff; }

/* ---------------- 表单 ---------------- */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { display: flex; flex-direction: column; gap: 7px; }
.field.full { grid-column: 1 / -1; }
.field label { font-size: 12px; font-family: var(--mono); letter-spacing: .08em; color: var(--muted); }
.field input, .field select, .field textarea {
  height: 46px; padding: 0 14px; background: #fff; border: 1px solid var(--line-strong);
  border-radius: var(--radius); color: var(--text); font-size: 14px; font-family: inherit;
}
.field input::placeholder, .field textarea::placeholder { color: #8C9991; }
.field textarea { height: 110px; padding: 12px 14px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--accent-dim); box-shadow: 0 0 0 3px rgba(37, 99, 235, .18); }
.field select { appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--accent-deep) 50%), linear-gradient(135deg, var(--accent-deep) 50%, transparent 50%); background-position: calc(100% - 18px) 20px, calc(100% - 13px) 20px; background-size: 5px 5px, 5px 5px; background-repeat: no-repeat; }
.form-note { font-size: 12px; color: var(--muted); margin: 14px 0 0; }

/* 联系页 */
/* 同上：与 .container 同元素，不能用 padding 简写 */
.contact-grid { display: grid; grid-template-columns: 1.25fr 1fr; gap: 48px; padding-top: 72px; padding-bottom: 96px; }
.contact-form-box { border: 1px solid var(--line); border-radius: var(--radius); padding: 36px; background: var(--panel); box-shadow: var(--shadow); }
.contact-form-box h2 { font-size: 24px; color: var(--text); margin-bottom: 8px; }
.contact-form-box > p { font-size: 14px; color: var(--muted); margin: 0 0 26px; }
.contact-info { display: flex; flex-direction: column; gap: 18px; }
.info-card { border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; background: #fff; }
.info-card h4 { font-family: var(--mono); font-size: 12px; letter-spacing: .1em; color: var(--accent-deep); margin-bottom: 12px; }
.info-card p { font-size: 15px; color: var(--text-2); margin: 0; line-height: 1.8; }
.info-card small { display: block; font-size: 12px; color: var(--muted); margin-top: 6px; }
.qr-card { display: flex; gap: 18px; align-items: center; }
.qr-card img { width: 104px; height: 104px; border-radius: var(--radius); border: 1px solid var(--line); background: #fff; padding: 4px; }
.qr-card div p { margin: 0 0 6px; font-size: 14px; color: var(--text); font-weight: 700; }
.qr-card div small { font-size: 12px; color: var(--muted); line-height: 1.7; }

/* ---------------- 关于页 ---------------- */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.about-img { border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.timeline { border-left: 1px solid var(--line-strong); padding-left: 32px; }
.tl-item { position: relative; padding-bottom: 34px; }
.tl-item::before { content: ''; position: absolute; left: -37px; top: 8px; width: 9px; height: 9px; background: var(--accent); }
.tl-year { font-family: var(--mono); font-size: 13px; color: var(--accent-deep); letter-spacing: .1em; }
.tl-item h3 { font-size: 17px; color: var(--text); margin: 8px 0 8px; }
.tl-item p { font-size: 14px; color: var(--muted); margin: 0; }
.team-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.team-card { border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; text-align: center; background: #fff; box-shadow: var(--shadow); }
.team-avatar { width: 64px; height: 64px; margin: 0 auto 16px; border-radius: 50%; background: var(--accent-soft); border: 1px solid var(--line); display: flex; align-items: center; justify-content: center; font-family: var(--mono); font-size: 18px; color: var(--accent-deep); }
.team-card b { display: block; font-size: 16px; color: var(--text); }
.team-card em { display: block; font-style: normal; font-family: var(--mono); font-size: 11px; color: var(--accent-deep); letter-spacing: .08em; margin: 4px 0 10px; }
.team-card p { font-size: 12px; color: var(--muted); margin: 0; line-height: 1.7; }
.honor-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.honor { background: var(--ink); padding: 26px; font-size: 13px; color: var(--text-2); display: flex; gap: 12px; }
.honor svg { width: 18px; height: 18px; color: var(--accent-deep); flex: none; margin-top: 3px; }
.nope-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.nope { background: var(--ink); padding: 22px 24px; font-size: 14px; color: var(--text-2); display: flex; gap: 12px; }
.nope svg { width: 16px; height: 16px; color: #C2452F; flex: none; margin-top: 4px; }

/* ---------------- 悬浮工具栏覆盖 ---------------- */
#fs-root > div > button, #fs-root button[data-fs] {
  border-radius: var(--radius) !important;
  background: #FFFFFF !important;
  border: 1px solid var(--line-strong) !important;
  color: var(--text) !important;
  box-shadow: 0 6px 18px -8px rgba(16, 26, 21, .35) !important;
}
#fs-root button[data-fs]:hover { border-color: var(--accent-dim) !important; }
#fs-root svg { width: 20px; height: 20px; }
.bg-primary { background: #FFFFFF; }
.text-accent { color: var(--accent-deep); }
.bg-accent { background: var(--accent); }
.border-accent { border-color: var(--accent); }

/* ---------------- 响应式 ---------------- */
/* 1081–1180：logo 文案改为单行主标后变宽，与顶部导航同框时收一档，避免挤压 */
@media (min-width: 1081px) and (max-width: 1180px) {
  .logo-text .logo-l1 { font-size: 13px; letter-spacing: -.014em; }
  .logo-text .logo-l2 { font-size: 10px; letter-spacing: .12em; }
  .main-nav > a, .main-nav .nav-drop > a { padding: 10px 8px; }
  .nav-phone { font-size: 12px; }
}

@media (max-width: 1080px) {
  .main-nav, .nav-phone { display: none; }
  .nav-toggle { display: block; }
  .nav-wrap { height: 66px; }
  .nav-right { margin-left: auto; }
  .hero { height: auto; min-height: 0; }
  .hero-swiper, .hero-swiper .swiper-wrapper, .hero-swiper .swiper-slide { height: auto; }
  .hero-slide { padding: 96px 0 56px; }
  .hero-slide::before {
    background: linear-gradient(180deg, rgba(255, 255, 255, .90) 0%, rgba(255, 255, 255, .86) 58%,
      rgba(255, 255, 255, .72) 100%);
  }
  .page-head::before { background: rgba(255, 255, 255, .80); }
  .hero-copy { height: auto; max-width: none; margin-left: 0; }
  .hero .swiper-pagination { position: static !important; padding: 0 24px 28px !important; }
  .sec { padding: 72px 0; }
  .stats-in { grid-template-columns: repeat(2, 1fr); }
  .stat { border-left: 0; padding-left: 0; }
  .stat:nth-child(2n) { border-left: 1px solid var(--line); padding-left: 24px; }
  .svc-grid { grid-template-columns: repeat(2, 1fr); }
  .svc:nth-child(n) { grid-column: span 1; }
  .flow { grid-template-columns: repeat(2, 1fr); gap: 32px 24px; }
  .caps { grid-template-columns: 1fr; }
  .price-grid, .quotes, .post-grid, .filter-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
  .detail-layout { grid-template-columns: 1fr; gap: 40px; }
  .detail-aside { order: 2; }
  .contact-grid { grid-template-columns: 1fr; gap: 32px; }
  .about-grid { grid-template-columns: 1fr; gap: 32px; }
  .team-grid, .honor-row { grid-template-columns: repeat(2, 1fr); }
  .svc-row { grid-template-columns: 1fr; }
  .svc-row-img { min-height: 200px; }
  .svc-row-body { padding: 26px 24px 0; }
  .svc-row-side { padding: 22px 24px 28px; border-left: 0; border-top: 1px solid var(--line-soft); }
  .cta-in { flex-direction: column; align-items: flex-start; }
  .hscroll > * { flex: 0 0 320px; }
}

@media (max-width: 720px) {
  .container { padding: 0 20px; }
  .nav-wrap { gap: 12px; }
  .nav-right { gap: 10px; }
  .logo-mark { width: 34px; height: 34px; }
  .logo-text { gap: 3px; }
  .logo-text .logo-l1 { font-size: 13px; letter-spacing: -.012em; }
  .logo-text .logo-l2 { font-size: 10px; letter-spacing: .1em; }
  .nav-cta { padding: 0 12px; font-size: 13px; }
  .sec { padding: 56px 0; }
  .hero-slide { padding: 76px 0 40px; }
  .hero h1 { font-size: clamp(28px, 8.4vw, 38px); }
  .hero-sub { font-size: 15px; }
  .hero-tags { gap: 12px; margin-top: 24px; padding-top: 18px; }
  .hero-acts .btn { flex: 1 1 auto; }
  .stats-in { grid-template-columns: 1fr 1fr; }
  .stat { padding: 24px 16px 24px 0; }
  .stat b { font-size: 32px; }
  .svc-grid, .price-grid, .quotes, .post-grid, .filter-grid, .flow, .team-grid, .honor-row, .nope-list, .form-grid { grid-template-columns: 1fr; }
  .sec-head, .sec-head-row { flex-direction: column; align-items: flex-start; gap: 18px; margin-bottom: 32px; }
  .svc { padding: 26px 22px; }
  .price-card { padding: 28px 22px; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .footer-bar-in { flex-direction: column; gap: 8px; }
  .cta-band { padding: 52px 0; }
  .cta-act { width: 100%; }
  .cta-act .btn { width: 100%; }
  .page-head { padding: 64px 0 44px; }
  /* 详情页头部只有一行面包屑，不需要整屏高度的留白 */
  .page-head--slim { padding: 22px 0 20px; }
  /* 只改纵向：横向内边距留给 .container，否则正文会贴到屏幕两边 */
  .detail-layout { padding-top: 32px; padding-bottom: 56px; gap: 32px; }
  .contact-grid { padding-top: 40px; padding-bottom: 56px; }
  .detail-main h1 { font-size: clamp(24px, 6.6vw, 32px); margin-bottom: 12px; }
  .detail-meta { gap: 12px; margin-bottom: 20px; }
  .detail-hero { margin-bottom: 26px; }
  .detail-body { font-size: 15px; line-height: 1.85; }
  .detail-body h2 { font-size: 20px; margin: 32px 0 12px; }
  .detail-body h3 { font-size: 17px; margin: 24px 0 10px; }
  .detail-body table { font-size: 13px; }
  .case-metrics--detail { padding: 16px 16px; gap: 12px; }
  .case-metrics--detail > div b { font-size: 19px; }
  /* 三项指标在窄屏排成 2 列时，最后一项独占一行，数值才不会折成两行 */
  .case-metrics--detail > div:last-child:nth-child(odd) { grid-column: 1 / -1; }
  .aside-box { padding: 20px; }
  .detail-pager { margin-top: 36px; padding-top: 20px; flex-direction: column; gap: 14px; }
  .detail-pager a { max-width: 100%; }
  .addon-row { grid-template-columns: 1fr; gap: 4px; padding: 14px 18px; }
  .hscroll > * { flex: 0 0 84vw; }
  .contact-form-box { padding: 24px 20px; }
  .f-subscribe { flex-wrap: wrap; }
  .f-subscribe input { flex: 1 1 100%; }
  .f-subscribe .btn { flex: 1 1 100%; }
  .team-card { padding: 20px; }
  body { padding-bottom: 0; }
  /* 移动端不显示悬浮工具栏（电话 / 微信 / 返回顶部）：屏幕窄，固定按钮一定会压住正文，
     询盘入口交给页头「免费诊断」和页尾 CTA。想恢复就把下面这行删掉。 */
  #fs-root { display: none !important; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: .001ms !important; transition-duration: .001ms !important; }
  html { scroll-behavior: auto; }
}